19 Questions
What is the result of cleavage during embryonic development?
Partitioning of the cytoplasm into many smaller cells
What is the embryonic structure formed during gastrulation?
Gastrula
How is the embryo nourished during development?
Through the placenta by umbilical cord
What induces childbirth in humans?
Hormonal response
When does the blastula form during embryonic development?
After about five to seven cleavage divisions
What happens to the rate of cell division during gastrulation?
It slows down
What is the future function of the primitive digestive tube formed during gastrulation?
Future mouth
Where does gametogenesis occur in males?
Testes
What is the female gamete called?
Oocyte
At birth, where are all the primary oocytes a female will ever have present?
Paused in meiosis I
What is the sac which contains an oocyte called?
Follicle
What happens to the secondary oocyte during ovulation?
It leaves the ovary
What induces the completion of meiosis II in the oocyte?
Entry of a sperm nucleus
Where does fertilization occur?
Fallopian tube
What is the site of gamete production in the reproductive system?
Testes in males and ovaries in females
What is the name of the cells in male gonads that are involved in gametogenesis?
Spermatocytes
At what stage does a secondary oocyte stop during meiosis?
Halfway through meiosis II
What is the name of the empty remains of the follicle after ovulation?
Corpus luteum
What alters the membrane of the oocyte to prevent attachment of other sperm?
Entry of one sperm nucleus
Test your knowledge about the reproductive system, including the process of gametogenesis and the role of male and female gonads in producing sperm and eggs. Learn about the transformation of spermatocytes and oocytes into haploid gametes through meiosis.
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